Correcting test fixture path
diff --git a/dockerfiles/Ubuntu15.docker b/dockerfiles/Ubuntu15.docker
index 3184ea7..f3a49df 100644
--- a/dockerfiles/Ubuntu15.docker
+++ b/dockerfiles/Ubuntu15.docker
@@ -2,7 +2,8 @@
 MAINTAINER Ash Wilson
 
 ENV OSMOSDR_GIT="git://git.osmocom.org/libosmocore.git"
-ENV OSMOCORE_TAG=0.6.3
+#ENV OSMOCORE_TAG=0.6.3
+ENV OSMOCORE_TAG=0.6.6
 
 # We know it's going to foul up, so we run this install separately and then ...fix... dpkg status
 RUN apt-get update && apt-get install -y uhd-host || \